/* Keep the existing poster layout and warm paper palette. */
.registration-closed .closed-panel { display: flex; align-items: center; padding: 32px 48px; background: var(--paper); }
.closed-content { width: 100%; max-width: 580px; margin: auto; }
.closed-eyebrow { color: #756344; font-size: 13px; letter-spacing: .16em; margin: 0 0 24px; }
.closed-seal { display: inline-grid; place-items: center; width: 40px; height: 40px; border: 1px solid #a93523; border-radius: 3px; color: #a93523; font: 24px/1 serif; margin-bottom: 16px; }
.registration-closed h1 { font-family: "Noto Serif CJK SC", "Songti SC", serif; font-size: clamp(32px, 3.5vw, 48px); font-weight: 600; line-height: 1.3; letter-spacing: .06em; margin: 0 0 16px; }
.closed-lead { font-size: 18px; margin: 0 0 24px; }
.closed-description { color: #665b48; font-size: 16px; line-height: 1.9; margin: 0 0 24px; }
.registration-closed .closed-entry { display: inline-flex; align-items: center; justify-content: space-between; gap: 48px; min-height: 48px; font-size: 16px; text-decoration: none; background: var(--red); }
.closed-help { color: #665b48; font-size: 13px; line-height: 1.8; margin: 16px 0 32px; }
.closed-event { border-top: 1px solid var(--line); margin: 0; padding: 24px 0 0; display: flex; flex-wrap: wrap; gap: 24px 32px; }
.closed-event div { display: grid; gap: 8px; }
.closed-event dt { font-size: 13px; color: #756344; }
.closed-event dd { font-size: 16px; margin: 0; }
.closed-footnote { font-size: 13px; color: #665b48; margin: 24px 0 0; }
.registration-closed .closed-contact { display: inline-flex; align-items: center; gap: 8px; min-height: 44px; padding: 0 4px; border: 0; background: transparent; color: #8f3023; font: inherit; text-decoration: underline; text-underline-offset: 4px; transition: color .2s; }
.registration-closed .closed-contact:hover { color: #5f2018; }
.registration-closed :is(a,button):focus-visible { outline: 2px solid var(--red); outline-offset: 4px; }
@media (min-width: 1000px) and (max-height: 780px) {
  .registration-closed .registration-layout { height: auto; min-height: calc(100dvh - 72px); align-items: stretch; }
  .registration-closed .visual-panel { height: calc(100dvh - 116px); position: sticky; top: 20px; }
}
@media (max-width: 999px) {
  .registration-closed .closed-panel { padding: 32px 24px; }
  .registration-closed .closed-entry { width: 100%; gap: 16px; }
  .closed-event { display: grid; gap: 24px; }
  .closed-help br { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  .registration-closed *, .registration-closed *::before { animation: none !important; transition: none !important; }
}
